JSLazyLoading

Introduction

Lazy Load for Joomla! PRO (JSLazyLoading) is a lightweight performance-oriented plugin for lazy loading and multi-serving of images, that is intended for client-side optimization. Written in pure JavaScript, the plugin does not depend on third-party libraries, such as jQuery. The plugin delays the loading of images that are outside the viewport until a user scrolls to their position in the document. It can work with AJAX navigation and dynamic modules, such as sliders and carousels (hidden images are not loaded until their visibility status changes). The multi-serving option allows to display images dinamically, according to the device screen width or the device screen density. Retina mode is intended to display high-density images if the device screen density is high enough.

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In the retina mode, high-quality images are loaded on demand without waiting of entire page load. In contrast, if you want to speed up your site to the maximum and you do not need Retina support, you can set smaller light-weight images to be displayed in mobiles and tablets instead of large images.

This plugin can reduce network traffic and increase page load speed, which is very helpful if a user has slow internet connection. Different client-side and server-side options allow you to optimize the performance and usability of your website. The plugin is compatible with both modern and older browsers, including Internet Explorer 6+.

Highly customizable plugin contains a lot of features that will improve the performance of your website.

Functionality

Do exactly what the developper says: load images when scroll down a page.

Ease of use

Just install the plugin. I did not set up anything. Works perfectly in default mode.

Support

Great support even before purchasing the plugin. Very reactive and clear.

Documentation

Very complete.

Value for money

Great. I tried for days JCHoptmize but it does work well with IE.

I used this to:
I use the plugin to speed up my website which uses a lot of images and RAXO. This plugin is the only one that works correctly with RAXO.

Owner's reply:
Thank you for your review! This encourages me to maintain and develop this extension!

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